[OASIS Issue Tracker] (VIRTIO-143) balloon: allow transitional devices

[ https://issues.oasis-open.org/browse/VIRTIO-143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=59578#comment-59578 ] 

Michael Tsirkin commented on VIRTIO-143:
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BALLOT CREATED AT URL: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=2813

> balloon: allow transitional devices
> -----------------------------------
>
>                 Key: VIRTIO-143
>                 URL: https://issues.oasis-open.org/browse/VIRTIO-143
>             Project: OASIS Virtual I/O Device (VIRTIO) TC
>          Issue Type: Bug
>    Affects Versions: virtio 1.0 cs02
>         Environment: Michael S. Tsirkin <>
>            Reporter: Michael Tsirkin
>            Assignee: Michael Tsirkin
>             Fix For: virtio 1.0 cs03
>
>
> Virtio 1.0 cs02 doesn't include a modern balloon device.  At some
> point we'll likely define an incompatible interface with a
> different ID and different semantics.  But for now, it's not a
> big effort to support a transitional balloon device: this has the
> advantage of supporting existing drivers, transparently, as well
> as transports that don't allow mixing virtio 0 and virtio 1
> devices. And balloon is an easy device to test, so it's also
> useful for people to test virtio core handling of transitional
> devices.



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